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Home >> American Motors >> 1984 >> Encore Base, 1.4 D, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - CALIFORNIA >> Testing >> Throttle Position Switch Test

Throttle Position Switch Test

NOTE: When testing resistance or voltage values, a high impedance (digital) volt-ohm meter must be used.
  1. With the ignition switch in the "ON" position, engine coolant temperature below 77°F (25°C) and engine off, test resistance between terminals 13 and 6 of diagnostic connector D2. Reading should be infinite. Check between terminals 4 and 13 of connector D2 with throttle closed. Resistance should be zero.
  2. With meter between terminals 4 and 6 of D2 and throttle at wide open position, resistance should be zero. If any of the readings are incorrect, check wiring circuit and repair as needed. If circuit is good, replace TPS.
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